Vacuum cleaner



FIG. 1 is a right side perspective view of a vacuum cleaner showing ournew design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The crosshatch shading shown in FIGS. 1-5 is understood to repeatthroughout the indicated area.

The ornamental design for a vacuum cleaner, as shown.